<html>
    <head>
        <title>定义全局功能</title>
    </head>
    <body>
        <script>
            /*
                    二、定义全局功能    Defining a Global Feature 

                        全局功能类是这样的：

                            public class MyGlobalFeature : GlobalFeature
                            {
                                public MyGlobalFeature()
                                {
                                    //...
                                }
                            }
                */
        </script>
    </body>
</html>